Q. Do natural gas engines need different oils?

A. Yes. Most leading diesel engine manufacturers typically recommend engine oils that are specifically designed and formulated for engines using CNG or LNG. Oils, referred to as "Fleet Oils" or oils designed to be used in diesel fueled engines are generally not recommended. One of the leading engine manufacturers has reported that "Valve Torching" can result from using the fleet oils in the lean burn conditions of CNG fuel engines. It is understood that stocking only one product is more desirable in mixed diesel and CNG fleets, but it is highly recommended that the equipment owner consult with the engine manufacturer and find out their engine oil recommendations before settling on the "One Oil" for both diesel and CNG engines.

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Author Bio

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Mark Betner

Heavy Duty Lubricants Manager

Mark Betner boasts 35 years of experience in the lubricants business. As the Heavy Duty Product Manager for CITGO Lubricants he is responsible for initiating and implementing the marketing of new products and human development programs and oversees communications with the media, trade shows and consumer education.

Prior to this, he was a field sales manager and technical training administrator at an independent lubricant company specializing in heavy equipment lubrication.

Mark earned a master’s and bachelor’s degree in both chemistry and biology from Indiana University. He holds a certification from the Society of Tribologists and Lubrication Engineers and is a member of the Truck Maintenance Council.